National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Fair

70°F

21°C

Humidity 51%
Wind Speed S 9 G 17 mph
Barometer 29.94 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Oct 10:50 am CDT
Extended Forecast for

Portage WI

  • Today

    Today: Sunny, with a high near 81. South wind around 10 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 5 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Northwest wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the morning.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph after midnight.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 81. South wind around 10 mph.
Tonight
Increasing clouds, with a low around 61. South wind around 5 mph.
Columbus Day
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 5 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 72. Northwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 51. Calm wind.
Wednesday
Partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the morning.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph after midnight.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage WI
 43.55°N 89.46°W (Elev. 791 ft)
Last Update:
9:31 am CDT Oct 11, 2026
Forecast Valid:
11am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation